Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-506 A Dodson TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546      
806-506 0 Dodson TX AMRLTX98DS4  0132 AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 546   2024-10-06   
806-506 7 Dodson TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546   2017-12-23   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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